16 citations · 33 across the 10 of their papers we have counts for
10 papers
On nonlinear saturation of toroidal Alfvén eigenmode due to thermal plasma nonlinearities
Ningfei Chen, Thomas Hayward-Schneider, Fulvio Zonca +7
The nonlinear saturation of toroidal Alfven eigenmode (TAE) due to thermal plasma nonlinearities is investigated using gyrokinetic particle-in-cell simulations and theoretical anal…
Indirect nonlinear interaction between toroidal Alfvén eigenmode and ion temperature gradient mode mediated by zonal structures
Qian Fang, Guangyu Wei, Ningfei Chen +3
The indirect nonlinear interactions between toroidal Alfvén eigenmode (TAE) and ion temperature gradient mode (ITG) are investigated using nonlinear gyrokinetic theory and ballooni…
Drift wave solitons and zonal flows: implication on staircase formation
Ningfei Chen, Liu Chen, Fulvio Zonca +1
The self-consistent nonlinear interaction of drift wave (DW) and zonal flow (ZF) is investigated using nonlinear gyrokinetic theory, with both spontaneous excitation and beat-drive…
Drift wave soliton formation via forced-driven zonal flow and implication on plasma confinement
Ningfei Chen, Liu Chen, Fulvio Zonca +1
In this work, gyrokinetic theory of drift waves (DWs) self-regulation via the forced driven zonal flow (ZF) is presented, and finite diamagnetic drift frequency due to plasma nonun…
The enhanced soliton propagation and energy transfer in the coupled drift wave and energetic-particle-induced geodesic acoustic mode system
Ningfei Chen, Guangyu Wei, Zhiyong Qiu
The evolution of the coupled drift wave (DW) and energetic-particle-induced geodesic acoustic mode (EGAM) nonlinear system is investigated using the fully nonlinear coupled DW-EGAM…
Nonlinear reversed shear Alfven eigenmode saturation due to spontaneous zonal current generation
Shizhao Wei, Tao Wang, Ningfei Chen +1
General nonlinear equations describing reversed shear Alfven eigenmode (RSAE) self-modulation via zero frequency zonal structure (ZFZS) generation are derived using nonlinear gyrok…
Soliton generation and drift wave turbulence spreading via geodesic acoustic mode excitation
Ningfei Chen, Shizhao Wei, Guangyu Wei +1
The two-field equations governing fully nonlinear dynamics of the drift wave (DW) and geodesic acoustic mode (GAM) in the toroidal geometry are derived in nonlinear gyrokinetic fra…
Effects of radial electric field on ion temperature gradient driven mode stability
Ningfei Chen, Hanyuan Hu, Xiangyu Zhang +2
The local stability of ion-temperature gradient driven mode (ITG) in the presence of a given radial electric field is investigated using gyrokinetic theory and ballooning mode form…
Nonlinear coupling of reversed shear Alfven eigenmode and toroidal Alfven eigenmode during current ramp
Shizhao Wei, Yahui Wang, Peiwan Shi +3
Two novel nonlinear mode coupling processes for reversed shear Alfven eigenmode (RSAE) nonlinear saturation are proposed and investigated. In the first process, RSAE nonlinearly co…
High frequency mode generation by toroidal Alfven eigenmodes
Shizhao Wei, Peiwan Shi, Liming Yu +3
Nonlinear generation of high frequency mode (HFM) by toroidal Alfven eigenmode (TAE) observed in HL-2A tokamak is analyzed using nonlinear gyrokinetic theory. It is found that, the…